21965930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1009}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 45377280

約数和(自身を除く): 23411350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 311, 622, 1009, 1555, 2018, 2177, 3110, 4354, 5045, 7063, 10090, 10885, 14126, 21770, 35315, 70630, 313799, 627598, 1568995, 2196593, 3137990, 4393186, 10982965, 21965930]

約数ペア:

[(1, 21965930), (2, 10982965), (5, 4393186), (7, 3137990), (10, 2196593), (14, 1568995), (35, 627598), (70, 313799), (311, 70630), (622, 35315), (1009, 21770), (1555, 14126), (2018, 10885), (2177, 10090), (3110, 7063), (4354, 5045)]